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Author/Creator
- Geological Survey (U.S.)20
- National Water-Quality Assessment Program (U.S.)6
- Koltun, G. F.3
- Giddings, Elise M. P.2
- Ohio. Department of Transportation2
- United States. Federal Highway Administration2
- Bilger, Michael D.1
- Bragg, Heather M.1
- Brightbill, Robin A.1
- Carson Water Subconservancy District (Nev.)1
- Chalmers, Ann (Ann Thomas), 1961-1
- Colombo, Michael J. (Michael John)1
- Connecticut. Department of Environmental Protection1
- Critical Ecosystem Studies Initiative (U.S.)1
- D'Agnese, Frank A.1
- Detroit (Mich.). Water and Sewerage Department1
- Douglas County (Nev.)1
- Dudley, Robert W.1
- Fenelon, Joseph M.1
- Gellis, Allen C.1